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The Core Camel Java DSL based router
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/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.camel.impl;

import java.util.Map;

import org.apache.camel.CamelContext;
import org.apache.camel.Consumer;
import org.apache.camel.Endpoint;
import org.apache.camel.EndpointConfiguration;
import org.apache.camel.Exchange;
import org.apache.camel.ExchangePattern;
import org.apache.camel.PollingConsumer;
import org.apache.camel.Processor;
import org.apache.camel.Producer;
import org.apache.camel.ServicePoolAware;
import org.apache.camel.ShutdownableService;
import org.apache.camel.util.ServiceHelper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * This is an endpoint when sending to it, is intercepted and is routed in a detour
 *
 * @version 
 */
public class InterceptSendToEndpoint implements Endpoint, ShutdownableService {

    private static final Logger LOG = LoggerFactory.getLogger(InterceptSendToEndpoint.class);

    private final Endpoint delegate;
    private Processor detour;
    private boolean skip;

    /**
     * Intercepts sending to the given endpoint
     *
     * @param destination  the original endpoint
     * @param skip true to skip sending after the detour to the original endpoint
     */
    public InterceptSendToEndpoint(final Endpoint destination, boolean skip) {
        this.delegate = destination;
        this.skip = skip;
    }

    public void setDetour(Processor detour) {
        this.detour = detour;
    }

    public Processor getDetour() {
        return detour;
    }

    public Endpoint getDelegate() {
        return delegate;
    }

    public String getEndpointUri() {
        return delegate.getEndpointUri();
    }

    public EndpointConfiguration getEndpointConfiguration() {
        return delegate.getEndpointConfiguration();
    }

    public String getEndpointKey() {
        return delegate.getEndpointKey();
    }

    public Exchange createExchange() {
        return delegate.createExchange();
    }

    public Exchange createExchange(ExchangePattern pattern) {
        return delegate.createExchange(pattern);
    }

    @Deprecated
    public Exchange createExchange(Exchange exchange) {
        return delegate.createExchange(exchange);
    }

    public CamelContext getCamelContext() {
        return delegate.getCamelContext();
    }

    public Producer createProducer() throws Exception {
        Producer producer = delegate.createProducer();
        if (producer instanceof ServicePoolAware) {
            return new InterceptSendToEndpointServicePoolProcessor(this, delegate, producer, skip);
        } else {
            return new InterceptSendToEndpointProcessor(this, delegate, producer, skip);
        }
    }

    public Consumer createConsumer(Processor processor) throws Exception {
        return delegate.createConsumer(processor);
    }

    public PollingConsumer createPollingConsumer() throws Exception {
        return delegate.createPollingConsumer();
    }

    public void configureProperties(Map options) {
        delegate.configureProperties(options);
    }

    public void setCamelContext(CamelContext context) {
        delegate.setCamelContext(context);
    }

    public boolean isLenientProperties() {
        return delegate.isLenientProperties();
    }

    public boolean isSingleton() {
        return delegate.isSingleton();
    }

    public void start() throws Exception {
        ServiceHelper.startServices(detour, delegate);
    }

    public void stop() throws Exception {
        ServiceHelper.stopServices(delegate, detour);
    }

    @Override
    public void shutdown() throws Exception {
        ServiceHelper.stopAndShutdownServices(delegate, detour);
    }

    @Override
    public String toString() {
        return delegate.toString();
    }
}